Product description:
The surface of the Galvalume steel coil is uniquely smooth, flat and gorgeous star flower, and the base color is silver white. The special coating structure makes it have excellent corrosion resistance. The normal service life of aluminum-zinc plate can be up to 25a, and it has good heat resistance and can be used in a high temperature environment of 315°C; the adhesion of the coating and the paint film is good, and it has good processing properties, and can be punched, cut, welded, etc.; The surface conductivity is very good.
The coating composition is composed of 55% aluminum, 43.4% zinc, and 1.6% silicon in weight ratio. The production process of galvanized steel sheet is similar to that of galvanized steel sheet and aluminized sheet, and it is a continuous molten coating process. The galvanized steel sheet with 55% aluminum-zinc alloy coating has better corrosion resistance than galvanized steel sheet of the same thickness when exposed to the same environment on both sides. The 55% aluminum-zinc alloy coated aluminum-zinc steel sheet not only has good corrosion resistance, but also the color-coated products have excellent adhesion and flexibility.
Product description:
The surface of aluminized zinc plate is unique smooth, flat and gorgeous star flower, and the base color is silver white. Special coating structure makes it have excellent corrosion resistance. The normal service life of the aluminized zinc plate can reach 25A, and the heat resistance is very good. It can be used in the high temperature environment of 315℃. Coating and paint film adhesion is good, has good processing performance, can be stamping, cutting, welding, etc.; Surface conductivity is good.
DX53D+AZ Galvalume Steel Coil Features:
1. Heat reflectivity:
The heat reflectivity of galvanized steel sheet is very high, which is twice that of galvanized steel sheet. People often use it as a material for heat insulation.
2. Heat resistance:
Aluminum-zinc alloy steel plate has good heat resistance and can withstand high temperatures of more than 300 degrees Celsius. It is very similar to the high temperature oxidation resistance of aluminized steel plate. It is often used in chimney pipes, ovens, luminaires and fluorescent lampshades. Corrosion resistance:
The corrosion resistance of galvanized steel coil is mainly due to the protective function of aluminum and aluminum. When zinc is worn out, aluminum forms a dense layer of aluminum oxide, which prevents corrosion-resistant substances from further corroding the interior.
3. Economy:
Because the density of 55% AL-Zn is lower than that of Zn, the area of the galvanized steel sheet is more than 3% larger than that of the galvanized steel sheet with the same weight and the same thickness of the gold coating.
4. Easy to paint:
The aluminum-zinc plate has excellent adhesion between the paint and the paint can be painted without pretreatment and weathering.
The coating adhesion of the gold-plated layer of aluminum-zinc steel sheet is relatively good, so it can also be directly coated on advertising boards and general boards without pre-treatment such as weathering.
5. The galvanized steel sheet has a gorgeous silver-white surface.
6. The galvanized steel sheet and the galvanized steel sheet have similar processing performance and spraying performance.
Application:
They are widely used in construction, automobiles, home appliances and other industrial products. In the construction industry, they are used for light-weight steel keels, building slabs, corrugated boards and rolling doors in various industrial and civil buildings. In the automobile industry, they are used for the shells, interior panels and floor of the automobile body. In home appliances and light industry, they are used for the shells and bottom panels of various household appliances.
Product specification:
Standard |
JIS / EN / ASTM Standard |
Grades |
SGLCC / SGL400 / SGL440 / SGL570 / SGLCD |
ASTM A792M CS-A / CS-B / CS-C |
|
SS230 / SS255 / SS275 / SS340 / SS550 |
|
DX51D / DX52D / DX53D |
|
S220GD / S250GD / S280GD / S320GD / S350GD / S550GD |
|
Coating |
AZ40-AZ150 |
Spangle |
Regular Spangle |
Sizes |
Thickness: 0.23mm - 3.0mm Width: 900mm-1250mm,or customer's requirement |
Surface treatment |
Chromate Treatment, Anti-fingerprint |
Chemical composition:
Al |
Zn |
Si |
Fe |
Cu |
Cd |
Pb |
Sn |
Ni |
Ti +Ba+Cr |
55-58 |
41-43 |
1.5-2 |
0.25 |
0.03 |
0.05 |
0.01 |
0.05 |
0.05 |
0.05 |
Mechanical property:
Grade |
Yield Strength MPa≥ |
Tensile Strength MPa≥ |
Elongation A%≥ |
DX51D+Z/ZM/AZ/AM |
240-380 |
270-500 |
22 |
DX52D+Z/ZM/AZ/AM |
140-300 |
270-420 |
26 |
DX53D+Z/ZM/AZ/AM |
140-260 |
270-380 |
30 |
DX54D+Z/ZM/AZ/AM |
120-220 |
260-350 |
36 |
S220GD+Z/ZM/AM |
220 |
300 |
20 |
S250GD+Z/ZM/AZ/AM |
250 |
330 |
19 |
S280GD+Z/ZM/AM |
280 |
360 |
18 |
S300GD+AZ/AM |
300 |
380 |
18 |
S320GD+Z/ZM/AM |
320 |
390 |
17 |
S350GD+Z/ZM/AZ/AM |
350 |
420 |
16 |
S450GD+AZ/AM |
450 |
480 |
15 |
S550GD+Z/ZM/AZ/AM |
550 |
550 |
- |
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Quality inspection process
FAQ:
Q1:Can you send samples?
A:Of course, we can provide customers with free samples.
Q2:What product information do I need to provide?
A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.
Q3:It's my first time to import steel products, can you help me with it?
A:Sure,we have agent to arrange the shipment, we will do it together with you.
Q4:What ports of shipment are there?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs.
Q5:Can you accept customize?
A: Yes. It can be customized as per the customers' request.
Q6:What are the certifications for your products?
A:We have ISO 9001, MTC, ISO14001,third parties’ inspections are all available such SGS, BV ect.
Q7:How long does your delivery time take?
A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
Q8: How many countries you already exported to?
A:We have exported to Canada, Russia, Belarus, Poland, Brazil, Mexico, Colombia, Ecuador, Peru, Iran, Vietnam, Malaysia, UAE, Nigeria and other countries. Our export experience is rich, we are familiar with different market needs, can help customers avoid a lot of trouble.
Q9:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q10:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed and customers can appoint third parties to inspect the products before loading too.
Q11:How to pack the products?
A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet.It can effectively protect products from corrosion and various climate changes during ocean transportation.
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